目的：测定鸡血藤中有机氯农药残留量。

Objective: The content of residue of organic chlorine pesticides in Caulis Spatholobi was determined.

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结果也表明云南烟区土壤基本没有有机氯农药残留。

The results also showed that there was no organochlorine pesticide residue in major tobacco growing soils in Yun...

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多数有机氯农药残留污染的平均水平也高于英国和巴西等国鱼类的水平。

The average residue level of DDTs was higher than those in fishes from Britain and Brazil.

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